Posts in Guitar Repair
What you should know about High-Pressure Laminate (HPL) guitars

HPL, or High-Pressure Laminate materials are becoming more commonplace in guitar construction. Martin Guitars, in particular, have a line made partially, or almost completely, from HPLs. 

As a guitar construction material, there are a lot of advantages. But, in order to go into this with your eyes open, you should be aware of one disadvantage. 

Check it out…

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Saving vintage guitars with clever refret techniques

Correcting excessive relief or neck-bow is easy with an adjustable truss rod. What about those vintage guitars made before adjustable rods were fitted, though? Are those wonderful old instruments never to be played because there's too much bow in the neck?

No way. Find out how to use levelling and compression fretting to save these guitars. 

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Vintage Refretting With Bar Frets

Getting vintage-nerdy with bar frets…

I only get a few bar fret jobs a year here. And, when I’m levelling them, I generally thank the fret gods for that fact. Bar frets are a bit different to modern frets but, if you’re playing, dealing, or repairing vintage instruments, you’ll likely come across them from time to time. 

So, let’s get to know them. 

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Shaving an Acoustic Guitar Bridge

This is an acoustic guitar bridge and there’s something wrong with this picture. Well, the picture’s ok, but there’s definitely a problem with the guitar. 

You can see how low the saddle is. The string’s have no ‘break’ angle over it—that first string sits almost horizontally on the saddle. 

This means the strings impart very little downward pressure to the saddle. No downward pressure means that much of the strings’ vibration is lost rather than being transferred into the guitar top (which is what provides most of your tone and volume with an acoustic instrument). Poor tone and poor sustain.

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Nasty Acoustic Guitar Side Cracks

This guitar's see better days. You can see a couple of nasty cracks along the shoulder. They begun at the preamp cutout and because of the tension on that area of bent wood, they easily spread as the centre 'relaxed' while the edges stayed in place, bound to the top and back. 

Someone has had a go at repairing this damage already. The previous repairer tried using fibreglass and some mesh tape to secure things. A brace was added near the preamp cutout to reinforce it but that and the fibreglass weren't enough. The arrow shows where that brace has broken. The crack's back.

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